package com.example.timyag.service.impl.mapper

import com.example.timyag.service.impl.entity.Book
import org.apache.ibatis.annotations.Param

/**
 *
 * @author yangjf
 * @time 2019-05-18 9:41
 */
interface GvBookMapper {
    Integer selectMaxId();

    void insert(@Param("item") Book book);

    Book selectById(@Param("id") Integer id);
}
